condition mean min max 4 h after light 0.01363165 0.0 0.0272633 8 h after light 0.00746485 0.0 0.0149297 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0038024333333333336 0.0 0.0114073